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TransformationService.proto
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/*
* Copyright 2021 The Feast Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
syntax = "proto3";
package feast.serving;
option java_package = "feast.proto.serving";
option java_outer_classname = "TransformationServiceAPIProto";
option go_package = "github.com/feast-dev/feast/go/protos/feast/serving";
service TransformationService {
rpc GetTransformationServiceInfo (GetTransformationServiceInfoRequest) returns (GetTransformationServiceInfoResponse);
rpc TransformFeatures (TransformFeaturesRequest) returns (TransformFeaturesResponse);
}
message ValueType {
oneof value {
// Having a oneOf provides forward compatibility if we need to support compound types
// that are not supported by arrow natively.
bytes arrow_value = 1;
}
}
message GetTransformationServiceInfoRequest {}
message GetTransformationServiceInfoResponse {
// Feast version of this transformation service deployment.
string version = 1;
// Type of transformation service deployment. This is either Python, or custom
TransformationServiceType type = 2;
string transformation_service_type_details = 3;
}
message TransformFeaturesRequest {
string on_demand_feature_view_name = 1;
string project = 2;
ValueType transformation_input = 3;
}
message TransformFeaturesResponse {
ValueType transformation_output = 3;
}
enum TransformationServiceType {
TRANSFORMATION_SERVICE_TYPE_INVALID = 0;
TRANSFORMATION_SERVICE_TYPE_PYTHON = 1;
TRANSFORMATION_SERVICE_TYPE_CUSTOM = 100;
}